The indication for pacemaker implantation was sinus-node dysfunction in all cases, but 21 percent of patients also had atrioventricular block. A total of 1014 patients were assigned to dual-chamber pacing, and 996 patients were assigned to ventricular pacing.
blitzkrieg [(blits-kreeg)] A form of warfare used by German forces in World War II. In a blitzkrieg, troops in vehicles, such as tanks, made quick surprise strikes with support from airplanes. These tactics resulted in the swift German conquest of France in 1940 (see fall of France). Blitzkrieg is German for âlightning war.â.
The Blitz. The Blitz was Nazi Germany's sustained aerial bombing campaign against Britain in World War Two. The raids killed 43,000 civilians and lasted for eight months, petering out when Hitler began to focus on his plans for Russian invasion in May 1941. Photo: People in Coventry walk to work past smouldering piles of rubble after a bombing raid in 1940.